Finding the Third Proportional to 5,320,206 and 8,254,764

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320,206 : 8,254,764 = 8,254,764 : x
2. Step 2: Convert to fraction form
   5,320,206/8,254,764 = 8,254,764/x
3. Step 3: Cross multiply
   5,320,206x = 8,254,764 × 8,254,764
4. Step 4: Simplify right side
   5,320,206x = 68,141,128,695,696
5. Step 5: Solve for x
   x = 68,141,128,695,696/5,320,206
6. Step 6: Final answer
   x = 12,807,986.89